= janus do |j|
  - j.face :map, title: :map do
    :ruby
      geolocations = Product.of_working_set(:wine_tanks).collect do |tank|
        { name:         tank.name,
          nature:       tank.nature_name,
          shape:        tank.shape
        }
      end
    = visualization(box: {height: "100%"}) do |v|
      - v.serie :geolocations, geolocations
      - v.categories :nature, :geolocations
      - v.control :zoom
      - v.control :scale
      - v.control :fullscreen
      - v.control :layer_selector
  - j.face :list do
    = main_list
